US PATENT SUBCLASS 305 / 199
.~.~.~ Sprocket wheel structure, per se

Current as of: June, 1999
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305 /   HD   WHEEL SUBSTITUTES FOR LAND VEHICLES

185  DF  TRACKS OR TREADS {14}
193  DF  .~ With guide means for interfitting with sprocket wheel or roller {3}
195  DF  .~.~ Sprocket and track engagement {2}
199.~.~.~ Sprocket wheel structure, per se

DEFINITION

Classification: 305/199

Sprocket wheel structure, per se:

(under subclass 195) Apparatus wherein the significance is attributed to the shape or configuration of the toothed wheel.

SEE OR SEARCH CLASS

474, Endless Belt Power Transmission Systems or Components,

152+, for a positive drive pulley or guide roll; subclasses 184+ for a pulley or guide roll having plural, discrete belts; subclass 901 for a pulley or guide roll structure for the track of an endless track vehicle. [figure] [caption]A - Sprocket wheel rim; B, C, D - Wheel teeth; E - Relief or vent openings; F - Openings to reduce weight